Home / 925,366.20-1,388,049.30-294,343.80

Finding the Fourth Proportional to 925,366.20, 1,388,049.30 and 294,343.80

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Solution

The fourth proportional to 925,366.20, 1,388,049.30 and 294,343.80 is: 441,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,366.20 : 1,388,049.30 = 294,343.80 : x
  2. Step 2: Convert to fraction form
    925,366.20/1,388,049.30 = 294,343.80/x
  3. Step 3: Cross multiply
    925,366.20x = 1,388,049.30 × 294,343.80
  4. Step 4: Simplify right side
    925,366.20x = 408,563,705,549.34
  5. Step 5: Solve for x
    x = 408,563,705,549.34/925,366.20
  6. Step 6: Final answer
    x = 441,515.70

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.